There is provided a screen capable of preventing generation of a double image even in a lateral direction, and improving the image quality as a whole, and a head-up display device having incorporated therein. The combiner 20 of the head-up display device of the present invention has a main body layer 20a which functions as a screen and is sandwiched between a first concave optical surface 21 located at an observation side and a second convex optical surface 22 located at a side opposite to the observation side. The thickness of the main body layer 20a becomes thinner from the center toward the periphery with regard to a lateral direction D2, and variation of the thickness of the main body layer 20a with regard to a vertical direction D1 is different for the central part and the peripheral part with regard to the lateral direction D2.


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    Title :

    SCREEN AND HEAD-UP DISPLAY DEVICE


    Additional title:

    BILDSCHIRM UND HEAD-UP-ANZEIGEVORRICHTUNG
    ÉCRAN ET DISPOSITIF D'AFFICHAGE TÊTE HAUTE


    Contributors:
    NOMURA EIJI (author)

    Publication date :

    2020-03-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen



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